jQuery 1.9.1, HTML, CSS, JavaScript
No-Library (pure JS), HTML, CSS, JavaScript
AJAX will be added later to set the session variables of XMAS ITEMS and total DISCOUNT VALUE
jQuery 2.1.0, HTML, CSS, JavaScript
jQuery 1.5, HTML, CSS, JavaScript
http://stackoverflow.com/q/24981481/1093087
lookup rates in js array
Mootools 1.4.5, HTML, CSS, JavaScript